51491320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 120528000

約数和(自身を除く): 69036680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 449, 470, 488, 610, 898, 940, 1220, 1796, 1880, 2245, 2440, 2867, 3592, 4490, 5734, 8980, 11468, 14335, 17960, 21103, 22936, 27389, 28670, 42206, 54778, 57340, 84412, 105515, 109556, 114680, 136945, 168824, 211030, 219112, 273890, 422060, 547780, 844120, 1095560, 1287283, 2574566, 5149132, 6436415, 10298264, 12872830, 25745660, 51491320]

約数ペア:

[(1, 51491320), (2, 25745660), (4, 12872830), (5, 10298264), (8, 6436415), (10, 5149132), (20, 2574566), (40, 1287283), (47, 1095560), (61, 844120), (94, 547780), (122, 422060), (188, 273890), (235, 219112), (244, 211030), (305, 168824), (376, 136945), (449, 114680), (470, 109556), (488, 105515), (610, 84412), (898, 57340), (940, 54778), (1220, 42206), (1796, 28670), (1880, 27389), (2245, 22936), (2440, 21103), (2867, 17960), (3592, 14335), (4490, 11468), (5734, 8980)]